bot: ajust crawl interval if previous calculation took too much time

src/surykatka/bot.py

@@ -463,12 +463,20 @@ class WebBot:
         self._running = True
         try:
             while self._running:
+                previous_time = datetime.datetime.utcnow()
                 self.iterateLoop()
+                next_time = datetime.datetime.utcnow()
                 interval = int(self.config.get("INTERVAL"))
                 if interval < 0:
                     self.stop()
                 else:
-                    time.sleep(interval)
+                    time.sleep(
+                        max(
+                            0,
+                            interval
+                            - (next_time - previous_time).total_seconds(),
+                        )
+                    )
         except KeyboardInterrupt:
             self.stop()
         except: